1326280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 3032640

約数和(自身を除く): 1706360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 467, 568, 710, 934, 1420, 1868, 2335, 2840, 3736, 4670, 9340, 18680, 33157, 66314, 132628, 165785, 265256, 331570, 663140, 1326280]

約数ペア:

[(1, 1326280), (2, 663140), (4, 331570), (5, 265256), (8, 165785), (10, 132628), (20, 66314), (40, 33157), (71, 18680), (142, 9340), (284, 4670), (355, 3736), (467, 2840), (568, 2335), (710, 1868), (934, 1420)]